diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7963d7b..f4db8fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up backend
         uses: ./.github/actions/set-up-backend
@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up frontend
         uses: ./.github/actions/set-up-frontend
@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up backend
         uses: ./.github/actions/set-up-backend
diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 4e79b35..629c1a3 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up backend
         uses: ./.github/actions/set-up-backend